[14982] | 1 | /*
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| 2 | * Copyright 2002-2004 The Apache Software Foundation
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | *
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| 16 | */
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| 17 | package org.apache.tools.ant.taskdefs.email;
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| 18 |
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| 19 | /**
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| 20 | * Holds an email address.
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| 21 | *
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| 22 | * @since Ant 1.5
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| 23 | */
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| 24 | public class EmailAddress {
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| 25 | private String name;
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| 26 | private String address;
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| 27 |
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| 28 |
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| 29 | /** Creates an empty email address */
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| 30 | public EmailAddress() {
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| 31 | }
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| 32 |
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| 33 |
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| 34 | /**
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| 35 | * Creates a new email address based on the given string
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| 36 | *
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| 37 | * @param email the email address (with or without <>)
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| 38 | * Acceptable forms include:
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| 39 | * address
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| 40 | * <address>
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| 41 | * name <address>
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| 42 | * <address> name
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| 43 | * (name) address
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| 44 | * address (name)
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| 45 | */
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| 46 | // Make a limited attempt to extract a sanitized name and email address
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| 47 | // Algorithm based on the one found in Ant's MailMessage.java
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| 48 | public EmailAddress(String email) {
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| 49 | final int minLen = 9;
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| 50 | int len = email.length();
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| 51 |
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| 52 | // shortcut for "<address>"
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| 53 | if (len > minLen) {
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| 54 | if ((email.charAt(0) == '<' || email.charAt(1) == '<')
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| 55 | && (email.charAt(len - 1) == '>' || email.charAt(len - 2) == '>')) {
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| 56 | this.address = trim(email, true);
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| 57 | return;
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| 58 | }
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| 59 | }
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| 60 |
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| 61 | int paramDepth = 0;
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| 62 | int start = 0;
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| 63 | int end = 0;
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| 64 | int nStart = 0;
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| 65 | int nEnd = 0;
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| 66 |
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| 67 | for (int i = 0; i < len; i++) {
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| 68 | char c = email.charAt(i);
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| 69 | if (c == '(') {
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| 70 | paramDepth++;
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| 71 | if (start == 0) {
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| 72 | end = i; // support "address (name)"
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| 73 | nStart = i + 1;
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| 74 | }
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| 75 | } else if (c == ')') {
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| 76 | paramDepth--;
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| 77 | if (end == 0) {
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| 78 | start = i + 1; // support "(name) address"
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| 79 | nEnd = i;
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| 80 | }
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| 81 | } else if (paramDepth == 0 && c == '<') {
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| 82 | if (start == 0) {
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| 83 | nEnd = i;
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| 84 | }
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| 85 | start = i + 1;
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| 86 | } else if (paramDepth == 0 && c == '>') {
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| 87 | end = i;
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| 88 | if (end != len - 1) {
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| 89 | nStart = i + 1;
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| 90 | }
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| 91 | }
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| 92 | }
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| 93 |
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| 94 | // DEBUG: System.out.println( email );
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| 95 | if (end == 0) {
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| 96 | end = len;
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| 97 | }
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| 98 | // DEBUG: System.out.println( "address: " + start + " " + end );
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| 99 | if (nEnd == 0) {
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| 100 | nEnd = len;
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| 101 | }
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| 102 | // DEBUG: System.out.println( "name: " + nStart + " " + nEnd );
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| 103 |
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| 104 | this.address = trim(email.substring(start, end), true);
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| 105 | this.name = trim(email.substring(nStart, nEnd), false);
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| 106 |
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| 107 | // if the two substrings are longer than the original, then name
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| 108 | // contains address - so reset the name to null
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| 109 | if (this.name.length() + this.address.length() > len) {
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| 110 | this.name = null;
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| 111 | }
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| 112 | }
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| 113 |
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| 114 | /**
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| 115 | * A specialised trim() that trims whitespace,
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| 116 | * '(', ')', '"', '<', '>' from the start and end of strings
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| 117 | */
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| 118 | private String trim(String t, boolean trimAngleBrackets) {
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| 119 | int start = 0;
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| 120 | int end = t.length();
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| 121 | boolean trim = false;
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| 122 | do {
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| 123 | trim = false;
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| 124 | if (t.charAt(end - 1) == ')'
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| 125 | || (t.charAt(end - 1) == '>' && trimAngleBrackets)
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| 126 | || (t.charAt(end - 1) == '"' && t.charAt(end - 2) != '\\')
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| 127 | || t.charAt(end - 1) <= '\u0020') {
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| 128 | trim = true;
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| 129 | end--;
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| 130 | }
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| 131 | if (t.charAt(start) == '('
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| 132 | || (t.charAt(start) == '<' && trimAngleBrackets)
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| 133 | || t.charAt(start) == '"'
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| 134 | || t.charAt(start) <= '\u0020') {
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| 135 | trim = true;
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| 136 | start++;
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| 137 | }
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| 138 | } while (trim);
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| 139 | return t.substring(start, end);
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| 140 | }
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| 141 |
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| 142 |
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| 143 | /**
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| 144 | * Sets the personal / display name of the address
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| 145 | *
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| 146 | * @param name the display name
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| 147 | */
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| 148 | public void setName(String name) {
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| 149 | this.name = name;
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| 150 | }
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| 151 |
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| 152 |
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| 153 | /**
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| 154 | * Sets the email address
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| 155 | *
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| 156 | * @param address the actual email address (without <>)
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| 157 | */
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| 158 | public void setAddress(String address) {
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| 159 | this.address = address;
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| 160 | }
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| 161 |
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| 162 |
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| 163 | /**
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| 164 | * Constructs a string "name <address>" or "address"
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| 165 | *
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| 166 | * @return a string representation of the address
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| 167 | */
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| 168 | public String toString() {
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| 169 | if (name == null) {
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| 170 | return address;
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| 171 | } else {
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| 172 | return name + " <" + address + ">";
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| 173 | }
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| 174 | }
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| 175 |
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| 176 |
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| 177 | /**
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| 178 | * Returns the address
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| 179 | *
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| 180 | * @return the address part
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| 181 | */
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| 182 | public String getAddress() {
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| 183 | return address;
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| 184 | }
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| 185 |
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| 186 |
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| 187 | /**
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| 188 | * Returns the display name
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| 189 | *
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| 190 | * @return the display name part
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| 191 | */
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| 192 | public String getName() {
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| 193 | return name;
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| 194 | }
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| 195 | }
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| 196 |
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